floofloofA friend said he warned Stockton Rush about possible defects on the Titan in 2019 after hearing 'cracking' noises
abogicalThe hull is made out of carbon fiber. It doesn't "crack", it shatters.
Stockton Rush, the former CEO of Oceangate held a patent on a system that listened for cracking of the hull that would warn of hull failure, I wonder how it worked out for him.
As Cameron said, when you hear these "warnings" they tell you that you are already dead.